package platform.udp.server;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioDatagramChannel;
import platform.common.CommonInfo;

public class NettyServer {
    public static void main(String[] args) {
        EventLoopGroup group = new NioEventLoopGroup();
        try{
            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(group)
                    .channel(NioDatagramChannel.class)
                    .option(ChannelOption.SO_BROADCAST,true) // 广播
                    .option(ChannelOption.SO_RCVBUF,2048*1024) // 设置UDP读缓冲区2M
                    .option(ChannelOption.SO_SNDBUF,1024*1024) // UDP写缓冲区1M
                    .handler(new MyChannelInitializer());
            ChannelFuture future = bootstrap.bind(CommonInfo.port).sync();
            System.out.println("启动");
            future.channel().closeFuture().sync();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            group.shutdownGracefully();
        }
    }
}
